Month | Temp. (min) | Temp. (max) | Temp. (avg) | Precipitation |
January | 21°F | 39°F | 30°F | 2.9" |
February | 21°F | 40°F | 31°F | 3.1" |
March | 29°F | 49°F | 39°F | 3.5" |
April | 40°F | 63°F | 51°F | 4.2" |
May | 50°F | 73°F | 61°F | 3.8" |
June | 60°F | 81°F | 70°F | 5.1" |
July | 66°F | 86°F | 76°F | 4.5" |
August | 64°F | 84°F | 73°F | 4.1" |
September | 57°F | 78°F | 67°F | 3.5" |
October | 46°F | 66°F | 55°F | 5.2" |
November | 35°F | 54°F | 44°F | 3.3" |
December | 27°F | 43°F | 35°F | 4.2" |
Index | Clay Arsenal | Hartford | Connecticut |
Air quality index | 41 | 41 | 43 |
Pollution index | 2,806,150 | 2,806,150 | 8,629,883 |
Measurement | Total |
Days measured | 365 |
Days with good air quality | 291 |
Days with moderate air quality | 66 |
Days w/ poor A.Q. for sensitive groups | 7 |
Days with unhealthy air quality | 1 |
Pollutant | Total |
Arsenic | 0.004% |
Benzene | 0.030% |
Carbon Tetrachloride | 0.010% |
Lead | 0.040% |
Mercury | 0.010% |
City | Population | Air Quality Index | National Avg. |
Collinsville, CT | 3,729 | 37 | 26.0% |
Bristol, CT | 60,039 | 37 | 26.0% |
Suffield Depot, CT | 2,020 | 40 | 20.0% |
Hazardville, CT | 6,216 | 40 | 20.0% |
Thompsonville, CT | 8,563 | 40 | 20.0% |
Hartford, CT | 122,549 | 41 | 18.0% |
City | Population | Air Quality Index | National Avg. |
Odessa, TX | 122,630 | 28 | 44.0% |
Columbia, MO | 122,659 | 38 | 24.0% |
Wilmington, NC | 122,162 | 34 | 32.0% |
Victorville, CA | 122,958 | 89 | 78.0% |
Berkeley, CA | 123,065 | 40 | 20.0% |
Hartford, CT | 122,549 | 41 | 18.0% |